The WenFu railroad Guantouling tunnel DK 280 + 950 ~281 + 100 is one under crossing the highway tunnel.
温福铁路管头岭隧道在DK280+950~281+100段下穿同三高速公路管头岭隧道.
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To evaluate the effectiveness of new photo - catalytic materials for air pollutant reduction in the under - crossing tunnels.
评估新型道路及墙体光催化材料对下立交地道空气质量的改善效果.
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